Yes, calcium chloride reacts with potassium iodide to form calcium iodide and potassium chloride. The reaction can be represented by the following equation:

$$CaCl_2 + 2KI → CaI_2 + 2KCl$$

In this reaction, the calcium ions from calcium chloride combine with the iodide ions from potassium iodide to form calcium iodide, while the potassium ions from potassium iodide combine with the chloride ions from calcium chloride to form potassium chloride.