From among the set of metals-sodium, zinc, iron, copper and silver, select the following giving equation for reaction.
One metal which will not displace copper from copper sulphate solutions.

Explanation

To solve the question of which metal will not displace copper from copper sulfate solution, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Displacement Reactions**:
Displacement reactions occur when a more reactive metal displaces a less reactive metal from its compound.

2. **Identify the Metals**:
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