CaO + SiO2 → CaSiO3

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

Reactants:

  • CaO – Calcium oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02
    • Other names: Quicklime source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Burnt lime source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Unslaked lime source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
    • Appearance: White to pale yellow/brown powder source: wikipedia, accessed: 2019-09-27; White hygroscopic crystalline powder source: ICSC, accessed: 2019-09-04; White or gray, odorless lumps or granular powder. source: NIOSH NPG, accessed: 2019-09-02
  • SiO2

    Products:

    • CaSiO3 – Calcium silicate source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Dicalcium silicate source: wikipedia, accessed: 2019-09-27
      • Other names: Belite source: wikipedia, accessed: 2019-09-27, Silicic acid, calcium salt (non-fibrous, <1% crystalline silica) source: ICSC, accessed: 2019-09-04, Calcium hydrosilicate source: wikidata, accessed: 2019-09-02source: NIOSH NPG, accessed: 2019-09-02
      • Appearance: White crystals source: wikipedia, accessed: 2019-09-27; White powder source: ICSC, accessed: 2019-09-04; White or cream-colored, free-flowing powder. [Note: The commercial product is prepared from diatomaceous earth & lime.] source: NIOSH NPG, accessed: 2019-09-02