Write the reaction of sodium with water.

Explanation

To write the reaction of sodium with water, we can follow these steps:

### Step 1: Identify the Reactants
The reactants in this reaction are sodium metal (Na) and water (H₂O). Sodium is a solid at room temperature, and water is in the liquid state.

### Step 2: Write the Chemical Equation
The reaction can be represented as:
\[ \text{Na (s)} + \text{H}_2\text{O (l)} \]
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