Ni + 2 NaOH → Ni(OH)2 + 2 Na

This is an oxidation-reduction (redox) reaction:

2 NaI + 2 e- → 2 Na0 (reduction)

Ni0 - 2 e- → NiII (oxidation)

NaOH is an oxidizing agent, Ni is a reducing agent.

Reactants:

  • Ni
    • Names: Nickel source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Ni source: wikidata, accessed: 2019-09-07, Element 28 source: wikidata, accessed: 2019-09-07
    • Appearance: Silvery metallic lustrous solid in various forms source: ICSC, accessed: 2019-09-04
  • 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:

  • 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
  • Na
    • Names: Sodium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04, Na source: wikidata, accessed: 2019-09-07, Element 11 source: wikidata, accessed: 2019-09-07, Natrium source: wikidata, accessed: 2019-09-07source: ICSC, accessed: 2019-09-04
    • Appearance: Silvery solid in various forms source: ICSC, accessed: 2019-09-04