3 Mg + WO3 → 3 MgO + W

This is an oxidation-reduction (redox) reaction:

WVI + 6 e- → W0 (reduction)

3 Mg0 - 6 e- → 3 MgII (oxidation)

WO3 is an oxidizing agent, Mg is a reducing agent.

Reactants:

  • Mg
    • Names: Magnesium source: wikidata, accessed: 2019-09-07, Magnesium (powder) source: ICSC, accessed: 2019-09-04, Magnesium (pellets) source: ICSC, accessed: 2019-09-04
    • Appearance: Grey powder source: ICSC, accessed: 2019-09-04; Silvery-white metallic solid in various forms source: ICSC, accessed: 2019-09-04
  • WO3

Products:

  • MgO – Magnesium oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Magnesia source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Periclase source: wikipedia, accessed: 2019-09-27, Magnesium oxide fume source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: White powder source: wikipedia, accessed: 2019-09-27; Hygroscopic fine white powder source: ICSC, accessed: 2019-09-04; Finely divided white particulate dispersed in air. [Note: Exposure may occur when magnesium is burned, thermally cut, or welded upon.] source: NIOSH NPG, accessed: 2019-09-02
  • W
    • Names: Tungsten source: wikidata, accessed: 2019-09-07source: NIOSH NPG, accessed: 2019-09-02, Tungsten (powder) source: ICSC, accessed: 2019-09-04, W source: wikidata, accessed: 2019-09-07
    • Appearance: Grey-to-white powder source: ICSC, accessed: 2019-09-04; Hard, brittle, steel-gray to tin-white solid. source: NIOSH NPG, accessed: 2019-09-02