ZnO + 2 NaOH → Na2O + Zn(OH)2

This is an acid-base reaction (neutralization): ZnO is an acid, NaOH is a base.

Reactants:

  • ZnO
    • Names: Zinc oxide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04source: NIOSH NPG, accessed: 2019-09-02, Zinc white source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Calamine source: wikipedia, accessed: 2019-09-28
    • Appearance: White solid source: wikipedia, accessed: 2019-09-28; White powder source: ICSC, accessed: 2019-09-04; White, odorless solid. source: NIOSH NPG, accessed: 2019-09-02
  • 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:

  • Na2O – Sodium oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04
    • Other names: Disodium oxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02source: ICSC, accessed: 2019-09-04, Sodium monoxide source: ICSC, accessed: 2019-09-04, Disodium monoxide source: ICSC, accessed: 2019-09-04
    • Appearance: White solid source: wikipedia, accessed: 2019-09-27; White lumps or powder source: ICSC, accessed: 2019-09-04
  • Zn(OH)2
    • Names: Zinc hydroxide source: wikipedia, accessed: 2019-09-28source: wikidata, accessed: 2019-09-02, Zinc(II) hydroxide source: wikidata, accessed: 2019-09-02
    • Appearance: White powder source: wikipedia, accessed: 2019-09-28