My house has all natural oak trim throughout. I am tempted to paint the trim in my bedroom but am wondering if it will look bad to have the trim natural in most rooms and painted in one or two others. Do I need to be consistent in the trim

Our house has a stucco exterior with an elastomeric paint finish that contains mildewcide. After about 10 years, we noticed 2 areas that have green mold growing on them. If I use a bleach and water solution to remove the mold, will I also remove the paint? Is there any