4 Mg + KNO3 + 6 H2O 4 Mg(OH)2 + NH3 + KOH

This is an oxidation-reduction (redox) reaction:

4 Mg0 - 8 e- 4 MgII (oxidation)

NV + 8 e- N-III (reduction)

Mg is a reducing agent, KNO3 is an oxidizing agent.

Reactants:

  • Mg
    • Names: Magnesium source: wikidata, accessed on: 2019-09-07, Magnesium (powder) source: ICSC, accessed on: 2019-09-04, Magnesium (pellets) source: ICSC, accessed on: 2019-09-04
    • Appearance: Grey powder source: ICSC, accessed on: 2019-09-04; Silvery-white metallic solid in various forms source: ICSC, accessed on: 2019-09-04
  • KNO3Potassium nitrate source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04
    • Other names: Saltpeter source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04, Saltpetre source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Nitrate of potash source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Appearance: White solid source: wikipedia, accessed on: 2019-09-27; Colourless-to-white crystalline powder source: ICSC, accessed on: 2019-09-04
  • H2OWater, oxidane source: wikipedia, accessed on: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed on: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed on: 2019-09-27, Hydrogen oxide source: wikipedia, accessed on: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed on: 2019-09-27

Products:

  • Mg(OH)2Magnesium hydroxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Other names: Magnesium dihydroxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Milk of magnesia source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Magnesia, [Milk of] source: wikidata, accessed on: 2019-09-02
    • Appearance: White solid source: wikipedia, accessed on: 2019-09-27
  • NH3
    • Names: Ammonia source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: NIOSH NPG, accessed on: 2019-09-02, Azane (only intended for use in naming derivatives of ammonia) source: wikipedia, accessed on: 2019-09-27, Hydrogen nitride source: wikipedia, accessed on: 2019-09-27
    • Appearance: Colourless gas source: wikipedia, accessed on: 2019-09-27; Colourless gas or compressed liquefied gas with pungent odour source: ICSC, accessed on: 2019-09-04; Colorless gas with a pungent, suffocating odor. [Note: Shipped as a liquefied compressed gas. Easily liquefied under pressure.] source: NIOSH NPG, accessed on: 2019-09-02
  • KOHPotassium hydroxide source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02
    • Other names: Caustic potash source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02source: ICSC, accessed on: 2019-09-04source: NIOSH NPG, accessed on: 2019-09-02, Lye source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02, Potash lye source: wikipedia, accessed on: 2019-09-27source: wikidata, accessed on: 2019-09-02
    • Appearance: White solid, deliquescent source: wikipedia, accessed on: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed on: 2019-09-04; Odorless, white or slightly yellow lumps, rods, flakes, sticks, or pellets. [Note: May be used as an aqueous solution.] source: NIOSH NPG, accessed on: 2019-09-02