Yes, but: Sand down high spots or use construction adhesive for extra hold. Consider backer rod behind moulding to fill uneven gaps before caulking.

32–36 inches from the floor (or 1/3 of wall height). Lower (24–30 inches) for a more traditional wainscoting look.

Crown Moulding: Adds elegance between walls and ceilings. Baseboards: Covers the joint between walls and floors. Chair Rail: Protects walls from furniture and adds visual interest.
Wainscoting: Decorative wood paneling on lower walls. Casing: Frames doors and windows for a finished look.