Ca(OH)2+CuSO4=CaSO4+Cu(OH)2 沉淀
Ca(OH)2+ CuSO4==Cu(OH)2| + Ca SO4
要写沉淀符号,微溶的物质作为生成物要看成沉淀ca(oh)2+cuso4==cu(oh)2|+caso4|
