What is the reaction of magnesium iodide and lead nitrate?

If you put them in water, then they both separate and the chloried and nitrate switch places. It becomes Magnesium nitrate and lead chloride, one turns yellow and sinks while the other's clear and floats. I think. If you put them in water, then they both separate and the chloried and nitrate switch places. It becomes Magnesium nitrate and lead chloride, one turns yellow and sinks while the other's clear and floats. I think.