MgO + SiO2 → Mg + SiO3

This is an acid-base reaction (neutralization): MgO is a base, SiO2 is an acid.

This is an oxidation-reduction (redox) reaction:

SiIV - 2 e- → SiVI (oxidation)

MgII + 2 e- → Mg0 (reduction)

SiO2 is a reducing agent, MgO is an oxidizing agent.

Reactants:

  • 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
  • SiO2

    Products:

    • 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
    • SiO3