CaCl3 does not exist, it is an impossible molecular formula. But if it were possible, then it would have been a salt, definitely soluble in water and it might possibly be hydrated in crystallised...
Aqueous means that the substance is in water or that it is dissolved in water.
Non aqueous means the opposite. Remember, an aqueous substance is dissolved in water as in aqua.
Aqueous means dissolved in water. Non-aqueous means dissolved in something other than water. For example, when copper sulfate and magnesium metal are mixed in water, the following reaction can...