When potassium iodide solution is added to a solution of lead nitrate in a testtube, a precipitate is formed.
What is the colour of this precipitate? Name the compound precipitated.

Explanation

To solve the question about the reaction between potassium iodide and lead nitrate, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Reactants**:
The reactants in this reaction are potassium iodide (KI) and lead(II) nitrate (Pb(NO3)2).

2. **Write the Chemical Equation**:
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