vice – Use two words, vice admiral, vice chairman, vice consul. Capitalize in titles when using before a name.
vice president – Capitalize vice president only as a formal title before one or more names: Vice President Mike Pence, Vice Presidents Dan Quayle and Gerald Ford. Use lowercase in all other references: The vice president said today that he is running for president. Do not drop the first name on the first reference; in subsequent references, use only the last name.