If it's drywall you can use use a cheap stud finder or just yours ears and hands to find studs fairly easy. Plaster might be a little harder but still doable. A

If it's drywall you can use use a cheap stud finder or just yours ears and hands to find studs fairly easy. Plaster might be a little harder but still doable. Also, look for outlets as those are attached to studs. Depending on the age and construction of the house studs will be 16 inches apart.