Final answer:
A precipitate is a solid product that forms from a reaction and settles out of a liquid solution. In the case of a colorless solution of lead (II) nitrate being added to a colorless solution of potassium iodide, a yellow solid precipitate is produced.
Step-by-step explanation:
A precipitate is a solid product that forms from a reaction and settles out of a liquid solution. In the case of a colorless solution of lead (II) nitrate being added to a colorless solution of potassium iodide, a yellow solid precipitate is produced. The name of the precipitate in this case is lead iodide.