Foreseeability is the ability to reasonably anticipate the potential results of an action, such as the damage or injury that may happen if one is negligent or breaches a contract. 
Foreseeability determines if the harm resulting from action could reasonably have been predicted. The test is used in most cases only with respect to the type of harm.
It is foreseeable, for example, that throwing a baseball at someone could cause them a blunt-force injury. But the proximate cause is still met if a thrown baseball misses the target and knocks a heavy object off a shelf behind them, which causes a blunt-force injury.
- Foreseeability (definition) https://www.nolo.com/dictionary/foreseeability-term.html