What happens when Iron nails are placed in copper sulphate solution. Write word equations of the reactions involved.

Explanation

### Step-by-Step Solution:

1. **Identify the Reactants**:
- The two substances involved in the reaction are iron nails (Fe) and copper sulfate solution (CuSO₄).

2. **Observe the Initial Colors**:
- Iron nails are grey in color.
- Copper sulfate solution is blue in color.
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