Always fee the soil before you water your hanging baskets.  If you even think the soil felt moist, wait a day and check again.  Nothing kills a potted plant quicker than drowning from overwatering…it is a VERY common mistake.  Newbies are always asking “how often should I water it?”.  There is no good “one a week”or “twice a month” answer since every plant, container and situation make that impossible.  Also, NEVER spray water…just water the soil but keep the foliage dry.  Here’s blog post that explains why.