Yes, you can boil dry candied dates in water to make wet candied dates. This is a common practice used to eat candied dates in winter, because the air in winter is drier and candied dates tend to dry out easily.

To cook dry candied dates into wet candied dates, you can follow these steps:

Put the dry candied dates into a small, clean bowl.

Pour appropriate amount of water on the candied dates. The amount of water depends on the humidity you want to achieve, generally you can pour an equal amount of water over the dates.

Place the candied dates and water in the microwave and heat on medium for about 1 minute.

Remove the candied dates and let them cool to room temperature before serving.

Hope this information is helpful to you!