The chemical equation is Cu + 2NaOH -> Cu(OH)2 + 2Na.

  1. Detailed information about the chemical equation Cu + 2NaOH -> Cu(OH)2 + 2Na:

    • Cu is the chemical symbol for copper, a soft metal with a reddish-pink color.
    • NaOH is the chemical symbol for sodium hydroxide, a strong alkali.
    • Cu(OH)2 is the chemical symbol for copper hydroxide, a blue solid substance.
    • Na is the chemical symbol for sodium, a soft, light metal with a silver-white color.

  2. Reaction conditions: The reaction conditions are all room temperature. However, this reaction is usually carried out in a strong alkali environment.

  3. Reaction process: When copper reacts with sodium hydroxide, it creates copper hydroxide and sodium. This reaction is a substitution reaction, in which sodium replaces copper to form copper hydroxide and sodium.

  4. Phenomenon occurrence: When the reaction occurs, you will see the copper metal gradually dissolve in the sodium hydroxide solution, creating a blue solid substance (copper hydroxide) and sodium.

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