what would the equation for this reaction be?; KAL(SO4)2.12H2O crystallizes out when water is cooled enough to cause the soluble ions to coalesce and precipitate out of solution.

To determine the equation for the reaction involving the compound KAL(SO4)2.12H2O, we need to understand the dissociation of the compound in water.

KAL(SO4)2.12H2O, potassium aluminum sulfate dodecahydrate, dissociates into its constituent ions when dissolved in water. The dissociation process can be represented as follows:

KAL(SO4)2.12H2O (s) → K+ (aq) + AL3+ (aq) + 2SO4^2- (aq) + 12H2O (l)

In this equation, (s) represents the solid compound, (aq) represents the aqueous ions, and (l) represents liquid water.

Nevertheless, it's important to note that this equation doesn't represent a specific reaction but rather the dissociation of the compound when it is in an aqueous solution. The reaction you mentioned describes the crystallization of KAL(SO4)2.12H2O from a supersaturated solution when cooled.

To write a balanced equation for the specific reaction you described, we need more information about the reactants and products involved.