MgSO4 (aq) + 2 NaOH (aq) → Mg(OH)2 (s) + Na2SO4 (aq)

This is a precipitation reaction: Mg(OH)2 is the formed precipitate.

Reactants:

  • MgSO4 – Magnesium sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Epsom salt (heptahydrate) source: wikipedia, accessed: 2019-09-27, English salt source: wikipedia, accessed: 2019-09-27, Bitter salts source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid source: wikipedia, accessed: 2019-09-27; Hygroscopic odourless white crystals or powder source: ICSC, accessed: 2019-09-04
  • NaOH
    • Names: Sodium hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Caustic soda source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Lye source: wikidata, accessed: 2019-09-02
    • Appearance: White, waxy, opaque crystals source: wikipedia, accessed: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed: 2019-09-04; Colorless to white, odorless solid (flakes, beads, granular form). source: NIOSH NPG, accessed: 2019-09-02

Products:

  • Mg(OH)2 – Magnesium hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Magnesium dihydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Milk of magnesia source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Magnesia, [Milk of] source: wikidata, accessed: 2019-09-02
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27
  • Na2SO4
    • Names: Sodium sulfate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Sodium sulphate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Sulfate of sodium source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid | hygroscopic source: wikipedia, accessed: 2019-09-27; White hygroscopic solid in various forms source: ICSC, accessed: 2019-09-04