Cold water simply slows down the rate at which salt dissolves.
The factors that may affect the rate at which salt dissolves in water are heat, the amount of water and the amount and type of salt you are using.
the hotter the water or whatever liquid you use, the faster the salt dissolves
salt
salt in hot water
salt in hot water
If you put salt in warm or cold water it dissolves better and faster than baking soda.
salt dissolve faster in hot water
Sugar.
Yes.
Salt dissolves faster in cold water
Rock salt dissolves fastest in hot water.
the hottter the temperature the faster salt dissolves