When aqueous lead \(\text{(II)}\) nitrate \(\ce{(Pb(NO3)2)}\) is mixed with a potassium iodide solution \((\ce{KI}) \), a precipitation of lead \(\text{(II)}\) iodide \(\ce{(PbI2)}\) results.
Write a balanced chemical equation for this precipitation reaction. (2 marks)
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