Task: Question Answering
Input (English): passage: Copper sulfate is highly soluble in water and therefore is easy to distribute in the environment. Copper in the soil may be from industry, motor vehicle, and architectural materials. According to studies, copper sulfate exists mainly in the surface soil and tends to bind organic matter. The more acidic the soil is, the less binding occurs.
 question: is copper ii sulfate pentahydrate soluble in water?
Output (English): Yes