2 NiO(OH) + 2 H2O + Cd → Cd(OH)2 + 2 Ni(OH)2

This is an oxidation-reduction (redox) reaction:

Cd0 - 2 e- → CdII (oxidation)

2 NiIII + 2 e- → 2 NiII (reduction)

Cd is a reducing agent, NiO(OH) is an oxidizing agent.

Reactants:

  • NiO(OH)
  • H2O – Water, oxidane source: wikipedia, accessed: 2019-09-27
    • Other names: Water (H2O) source: wikipedia, accessed: 2019-09-27, Hydrogen hydroxide (HH or HOH) source: wikipedia, accessed: 2019-09-27, Hydrogen oxide source: wikipedia, accessed: 2019-09-27
    • Appearance: White crystalline solid, almost colorless liquid with a hint of blue, colorless gas source: wikipedia, accessed: 2019-09-27
  • Cd
    • Names: Cadmium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Cd source: wikidata, accessed: 2019-09-07, Element 48 source: wikidata, accessed: 2019-09-07, 48 source: wikidata, accessed: 2019-09-07
    • Appearance: Soft blue-white metal lumps or grey powder. malleable. turns brittle on exposure to 80°c. tarnishes on exposure to moist air source: ICSC, accessed: 2019-09-04

Products:

  • Cd(OH)2 – Cadmium(II) hydroxide source: wikipedia, accessed: 2019-09-27
    • Other names: Cadmium hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Appearance: White crystals source: wikipedia, accessed: 2019-09-27
  • Ni(OH)2 – Nickel(II) hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02
    • Other names: Nickel hydroxide source: wikipedia, accessed: 2019-09-27source: wikidata, accessed: 2019-09-02, Theophrastite source: wikipedia, accessed: 2019-09-27
    • Appearance: Green crystals source: wikipedia, accessed: 2019-09-27