Yes, a solid gold chain is designed for everyday wear and is one of the most durable jewelry options available — pure gold does not rust, corrode, or tarnish.
Gold's natural inertness means it will not react with sweat, air, or water under normal conditions. A 14K or 10K solid gold chain is alloyed with metals that enhance its hardness, making it resistant to scratching and bending during daily activities. Everyday wear does gradually create minor surface scratches, but these develop into a soft patina that many men prefer. The clasp and connecting links are the areas most subject to wear over time, so have a jeweler inspect the clasp annually if you wear the chain daily.
To maximize the life of your chain, avoid wearing it during heavy physical labor, contact sports, or activities with machinery. For everything else — commuting, working at a desk, socializing — a solid gold chain is built to handle it.