Night shots are characterized by low light. The camera shutter needs to be open for prolonged time to get enough light for a proper exposure. The drawback is that there is risk for blurred photos if your camera is not steady enough.
One common tricky scenario is a foreground (FG) object, e.g. a person, in combination with a back ground (BG) view, e.g. a night time city sky line.
Below are some easy steps that that will let you take better night shots.